Support for line trouble detecting means,申请号US19540452797-传众专利搜索

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发明名称	Support for line trouble detecting means
摘要
申请公布号	US2890408(A)	申请公布日期	1959.06.09
申请号	US19540452797	申请日期	1954.08.30
申请人	PERKINS LYMAN D	发明人	PERKINS LYMAN D.
分类号	G01R31/08;G01V3/10	主分类号	G01R31/08
代理机构		代理人
主权项
地址

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